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H3C GB0-371 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: VLAN and VLAN Extension Technologies | 20% | - QinQ technology and application - Protocol-based VLAN and IP-subnet VLAN - VLAN mapping and VLAN translation - VLAN principles and configuration |
| Topic 2: Network Management and Maintenance | 5% | - Common fault diagnosis methods - Traffic monitoring and troubleshooting - SNMP and RMON |
| Topic 3: Campus Network Architecture and Design | 15% | - Core, aggregation and access layer characteristics - High-performance campus network requirements - Hierarchical network design model |
| Topic 4: Campus Network Security | 15% | - Storm control and traffic filtering - Port security and MAC address control - 802.1X authentication - DHCP snooping and ARP protection |
| Topic 5: High Availability Technologies | 20% | - VRRP protocol and deployment - Link aggregation (LACP/static) - Device-level redundancy mechanisms - BFD and fast failure detection |
| Topic 6: Multicast in Campus Networks | 10% | - Multicast deployment and optimization - PIM-SM and PIM-DM basics - IGMPv1/v2/v3 operation |
| Topic 7: Spanning Tree Protocols | 15% | - RSTP concepts and configuration - MSTP optimization and protection - MSTP principles, regions and instances |
H3C Constructing H3C High-Performance Campus Networks Sample Questions:
Question 1
关于单播、组播和广播的对比,正确的有
A. 和广播相比,组播可以减轻发送源的负担
B. 和单播相比,组播可以减少链路负载
C. 和广播相比,组播可以提升链路使用率
D. 和单播相比,组播可以减轻发送源的负担
Question 2
客户局域网交换机 SWA 、 SWB 、 SWC 上构成 RRPP 环主环 1 ,交换机 SWA 上有如下配置信息:
[SWA] rrpp domain 1
[SWA-rrpp-domain1] control-vlan 4092
k 上述信息可以得知
A. 交换机 SWB 、 SWC 上的主环控制 VLAN 可以与 SWA 不一致
B. 交换机 SWA 、 SWB 、 SWCRRPP 环上接入 RRPP 环的端口都需要加入 VLAN 4092
C. 交换机 SWA 、 SWB 、 SWC 上所有端口都需要加入 VLAN4092
D. 为了便于网络管理,可以在 VLAN4092 上配置 IP 管理地址
Question 3
客户的二台交换机 SWA 、 SWB 通过七根以太网线连接在一起,并配置了静态链路聚合,交换机 SWA 上对应端口为 Ethernet 1/0 Ethernet 1/0/2 、 Ethernet 1/0/3 、 Ethernet 1/0/4 、 Ethernet 1/0/5 、 Ethernet1/0/6 、 Ethernet 1/0/7 ,配置方式为按照端口顺序依次配置如果交换机 SWA 、 SWB 每个聚合组只支持 6 个端口,则
A. 在各端口配置一致的情况下, Ethernet1/0/6 端口为聚合组 Unselected 端口
B. 在各端口配置一致的情况下, Ethernet1/0/7 端口为聚合组 Unselected 端口
C. 在各端口配置一致的情况下, Ethernet1/0/1 端口为聚合组 Unselected 端口
D. 在各端口配置一致的情况下, SWA 在 7 个端口中随机选择一个端口为聚合组 Unselected 端口
Question 4
在交换机 SWA 上执行 displayinterface Ethernet 1/0/1 命令后,输出信息如下:
[SWA]display interface Ethernet 1/0/1
Ethernet1/0/1 current state: UP
PVID: 10
Mdi type: auto
Link delay is 0(sec)
Port link-type: trunk
VLAN passing: 1 (default vlan), 10
VLAN permitted: 1 (default vlan), 2-4094
Trunk port encapsulation: IEEE 802.1q
Port priority: 0
从以上输出可以判断
A. 端口 Ethemet1/0/1 是一个 Trunk 端口,允许任意 VLAN 的数据帧通过
B. 带有 VLAN1 标签的数据侦离开端口 Ethemet1/0/1 时不会被剥离标签
C. 不带 VLAN 标签的数据帧进入端口 Ethernet1/0/1 时会被打上 VLAN1 的标签
D. 端口 Ethemet1/OM 是一个 Trunk 端口,只允许 VLAN 1 和 VLAN 10 的数据侦通过
Question 5
主机 PCA 的 IP 地址为 40.1.1.1 , MAC 地址为 0011.1111.1111PCA 连接在交换机 SWA 的 GigabitEthernet1/0/1 端口上在交换机 SWA 上配置了如下命令:
[SWA]vlan 10
[SWA-vlan10]quit
[SWA]vlan 20
[SWA-vlan20]protocol-vlan ipv4
[SWA-vlan20]quit
[SWA]vlan 30
[SWA-vlan30]quit
[SWA]mac-vlan mac-address 0011-1111-1111 vlan 30
[SWA]vlan 40
[SWA-vlan40]ip-subnet-vlan ip 40.1.1.0 255.255.255.0
[SWA-vlan40]quit
[SWA]interface GigabitEthernet 1/0/1
[SWA-GigabitEthernet1/0/1]port link-type hybrid
[SWA-GigabitEthernet1/0/1]port hybrid pvid vlan 10
[SWA-GigabitEthernet1/0/1]port hybrid vlan 10 20 30 40 untagged
[SWA-GigabitEthernet1/0/1]port hybrid protocol-vlan vlan 20 0
[SWA-GigabitEthernet1/0/1]port hybrid ip-subnet-vlan vlan 40
[SWA-GigabitEthernet1/0/1]mac-vlan enable
配置完成后,可以判断 PCA 会加入
A. 配置命令有误
B. VLAN30
C. VLAN20
D. VLAN40
E. VLAN 10
Solutions:
| Question 1 Answer: B,C,D | Question 2 Answer: B | Question 3 Answer: B | Question 4 Answer: A,B | Question 5 Answer: B |
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